package JDBC;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

public class JDBCDemo7 {
    public static void main(String[] args) {
        UserInfo userInfo = InputUtil.getInputObject(new UserInfo(),"欢迎登录","登录");
        try (Connection conn = DBUtil.getConnection()){
            String sql = "SELECT id,username,password,neckname,age " +
                         "FROM userinfo " +
                         "WHERE username=? AND password=?";
            PreparedStatement ps = conn.prepareStatement(sql);
            ps.setString(1,userInfo.getUsername());
            ps.setString(2,userInfo.getPassword());

            ResultSet rs = ps.executeQuery();
            if(rs.next()){
                System.out.println("登录成功");
            }else {
                System.out.println("登录失败");
            }

        } catch (SQLException e) {
            throw new RuntimeException(e);
        }
    }
}
